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Fractionation of sediment phosphate with chelating compounds: a simplification, and comparison with other methods

Fractionation of sediment phosphate with chelating compounds: a simplification, and comparison... Abstract The NTA/EDTA fractionation of sediment-bound, inorganic phosphate was improved and made more effective. The iron-bound phosphate is now extracted with Ca-EDTA plus dithionite and followed by an extraction of calcium-bound phosphate by Nat-EDTA at pH = 4.5. A comparison is made with two other sequential extraction procedures: the SEDEX and the Hieltjes & Lijklema extractions. The EDTA extractions have an advantage over the other two methods. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Hydrobiologia Springer Journals

Fractionation of sediment phosphate with chelating compounds: a simplification, and comparison with other methods

Hydrobiologia , Volume 335 (1): 9 – Oct 1, 1996

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References (25)

Publisher
Springer Journals
Copyright
996 1996 Kluwer Academic Publishers
ISSN
0018-8158
eISSN
1573-5117
DOI
10.1007/BF00013687
Publisher site
See Article on Publisher Site

Abstract

Abstract The NTA/EDTA fractionation of sediment-bound, inorganic phosphate was improved and made more effective. The iron-bound phosphate is now extracted with Ca-EDTA plus dithionite and followed by an extraction of calcium-bound phosphate by Nat-EDTA at pH = 4.5. A comparison is made with two other sequential extraction procedures: the SEDEX and the Hieltjes & Lijklema extractions. The EDTA extractions have an advantage over the other two methods.

Journal

HydrobiologiaSpringer Journals

Published: Oct 1, 1996

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